Did you know?
The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
Did you know?
About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
Did you know?
Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.
Why the Poor Need Children
A typical open-end wrench. Note the size difference on each end and that the head is angled 15 ...
A typical output driver. In this case, the PCM applies voltage to the fuel pump relay coil to ...
A typical IAC.
Typical container for the disposal of broken glass or other sharps.
Anatomy of a typical flower: cherry (Prunus avium)